body, html {
    height: 100%;
    width:100%;
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to right, yellow, green);
}

.container {
    display: flex;
    width: 100%;
    max-width: 1200px;
    height: 70vh;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.left, .right {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

h2 {
    margin-bottom: 20px;
}

.drop-zone {
    width: 80%;
    padding: 20px;
    border: 2px dashed #ccc;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 20px;
}

.drop-zone.dragover {
    background-color: #e0ffe0;
    border-color: #00cc00;
}

.file-input {
    display: none;
}

#qrcode {
    width: 250px;
    height: 250px;
}